perf probe: Fix need_dwarf flag if lazy matching is used

Set need_dwarf if lazy matching pattern is specified, because
lazy matching requires real source path for which we must use
debuginfo.

Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Cc: systemtap <systemtap@sources.redhat.com>
Cc: DLE <dle-develop@lists.sourceforge.net>
LKML-Reference: <20100312232224.2017.54550.stgit@localhost6.localdomain6>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

tools/perf/util/probe-event.c

@@ -242,7 +242,7 @@ void parse_perf_probe_event(const char *str, struct probe_point *pp,
 
 	/* Parse probe point */
 	parse_perf_probe_probepoint(argv[0], pp);
-	if (pp->file || pp->line)
+	if (pp->file || pp->line || pp->lazy_line)
 		*need_dwarf = true;
 
 	/* Copy arguments and ensure return probe has no C argument */